Key specifications

Dimensions
18.0"W × 29.13"D × 18.0"H
Type
Booster Heater
Style
Storage
Installation Type
Floor Model
Material
Stainless Steel
Capacity
6 Gallons
Spec sheet

Hubbell Water Heaters J640 Electric Storage Booster Heater, 6-Gallon Stainless Steel Tank, 40.5 kW, Floor Model

$4,473.00
/each
Estimated to ship in 11–14 business days Free Shipping
Leg type
Included: Hubbell Water Heaters warranty One-year parts and labor warranty for the tank and components; 10-year non-pro-rated warranty for the tank only

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Questions before you buy?

Talk to a specialist — usually within 1 hour, 9am–6pm EST.

Questions before you buy?

Talk to an equipment specialist about voltage, installation or the right size for your kitchen.
Usually within 1 hour, 9am–6pm EST.

Specifications

Type Booster Heater
Style Storage
Installation Type Floor Model
Material Stainless Steel
Capacity 6 Gallons
Watts 40.5 kW
Controls Electronic Display Controller
Insulation CFC/HCFC-Free Closed Cell Foam
Tank Construction ASME Stamped
Width 18 in
Depth 29.13 in
Height 18 in
Weight 110 lb

Description

The Hubbell Water Heaters J640 is an electric storage booster heater with 40.5 kW of heating power and a 6-gallon ASME-stamped stainless steel tank. Its stainless steel exterior, electronic display controller, closed-cell foam insulation, and floor-model installation support commercial dish room applications.

  • Electronic control: Display controller includes low water cut-off and leak detection.
  • Plumbing components: Includes a pressure reducing valve with bypass, T&P gauge, and T&P relief valve.
  • Construction: Stainless steel exterior with CFC/HCFC-free closed-cell foam insulation.

Overall Dimensions:

18.0"W x 29.13"D x 18.0"H

Product Weight:

110.0 lb

Electric Heating

Provides 40.5 kW of electric heating power.

Storage Capacity

Provides 6 gallons of storage capacity.

Stainless Steel Construction

Features an ASME-stamped stainless steel tank and stainless steel exterior.

Electronic Display Controller

Includes low water cut-off and leak detection.

Closed-Cell Foam Insulation

Uses CFC/HCFC-free closed-cell foam insulation.

Plumbing Protection

Includes a pressure reducing valve with bypass, T&P gauge, and T&P relief valve.

Adjustable Legs

Includes adjustable plastic legs.

Documentation

Certifications & Compliance

Certified badge of NSF Certified
NSF Certified
Certified badge of UL Certified
UL Certified

Frequently Asked Questions

The J640 has a 6-gallon storage capacity.
The J640 is an electric booster heater rated at 40.5 kW.
The tank is ASME-stamped stainless steel, and the exterior is stainless steel.
The electronic display controller includes low water cut-off and leak detection.
The product is 18 inches wide, 29.13 inches deep, and 18 inches high, with a weight of 110 pounds.
The tank and components have a one-year parts and labor warranty. The tank has a 10-year non-pro-rated warranty.

Need help deciding?

Our specialist can help you confirm dimensions, building requirements, and other important details before you buy. We usually reply within 1 hour.

or call (888) 307-5030